How to use the iPhone 4's compass

User guides 12:54, 30 Jun 2010

We show you how to make the most out of the iPhone 4's compass

The iPhone 4 has a built-in compass, which works in whatever orientation you have the device in.

So, if you've never used a compass we're here to show you how to get the best our your iPhone 4's magnometer - technical speak for compass!

Read on for Know Your Mobile's guide to using the iPhone 4's compass:

Obviously the compass shows you the direction of North - the figure at the top of the screen is the direction the top of the phone is facing - eg 220° SW.

The digital compass can be distracted by electromagnetic interference - to reset it move the iPhone 4 around in a 'figure 8' pattern with its back facing the ground.

The Compass application also shows you the geographic co-ordinates of your current location in longitude and latitude - for instance 51°31'12"N, 0°8'17"E. Just look in the bar at the bottom of the screen for your current geographic location.

Click on the i button on the bottom right of your screen to switch the compass between True North and Magnetic North.

Click on the cross hair icon at the bottom left of the screen to go to your current location on the Google Maps application.

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